;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu system image)
+ #:use-module (guix diagnostics)
+ #:use-module (guix discovery)
#:use-module (guix gexp)
#:use-module (guix modules)
#:use-module (guix monads)
#:use-module (gnu packages hurd)
#:use-module (gnu packages linux)
#:use-module (gnu packages mtools)
+ #:use-module (gnu packages virtualization)
#:use-module ((srfi srfi-1) #:prefix srfi-1:)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-35)
#:use-module (rnrs bytevectors)
+ #:use-module (ice-9 format)
#:use-module (ice-9 match)
- #:export (esp-partition
+ #:export (root-offset
+ root-label
+
+ esp-partition
root-partition
- hurd-disk-image
efi-disk-image
iso9660-image
- find-image
- system-image))
+ image-with-os
+ raw-image-type
+ qcow2-image-type
+ iso-image-type
+ uncompressed-iso-image-type
+
+ image-with-label
+ system-image
+
+ %image-types
+ lookup-image-type-by-name))
\f
;;;
(flags '(boot))
(initializer (gexp initialize-root-partition))))
-(define hurd-initialize-root-partition
- #~(lambda* (#:rest args)
- (apply initialize-root-partition
- (append args
- (list #:make-device-nodes
- make-hurd-device-nodes)))))
-
-(define hurd-disk-image
- (image
- (format 'disk-image)
- (target "i586-pc-gnu")
- (partitions
- (list (partition
- (size 'guess)
- (offset root-offset)
- (label root-label)
- (file-system "ext2")
- (file-system-options '("-o" "hurd" "-O" "ext_attr"))
- (flags '(boot))
- (initializer hurd-initialize-root-partition))))))
-
(define efi-disk-image
(image
(format 'disk-image)
(list (partition
(size 'guess)
(label "GUIX_IMAGE")
- (flags '(boot)))))
- ;; XXX: Temporarily disable compression to speed-up the tests.
- (compression? #f)))
+ (flags '(boot)))))))
+
+\f
+;;;
+;;; Images types.
+;;;
+
+(define-syntax-rule (image-with-os base-image os)
+ "Return an image inheriting from BASE-IMAGE, with the operating-system field
+set to the given OS."
+ (image
+ (inherit base-image)
+ (operating-system os)))
+
+(define raw-image-type
+ (image-type
+ (name 'raw)
+ (constructor (cut image-with-os efi-disk-image <>))))
+
+(define qcow2-image-type
+ (image-type
+ (name 'qcow2)
+ (constructor (cut image-with-os
+ (image
+ (inherit efi-disk-image)
+ (name 'image.qcow2)
+ (format 'compressed-qcow2))
+ <>))))
+
+(define iso-image-type
+ (image-type
+ (name 'iso9660)
+ (constructor (cut image-with-os iso9660-image <>))))
+
+(define uncompressed-iso-image-type
+ (image-type
+ (name 'uncompressed-iso9660)
+ (constructor (cut image-with-os
+ (image
+ (inherit iso9660-image)
+ (compression? #f))
+ <>))))
\f
;;
(define (format->image-type format)
;; Return the genimage format corresponding to FORMAT. For now, only
;; the hdimage format (raw disk-image) is supported.
- (case format
- ((disk-image) "hdimage")
+ (cond
+ ((memq format '(disk-image compressed-qcow2)) "hdimage")
(else
(raise (condition
(&message
(graph (match inputs
(((names . _) ...)
names)))
- (root-builder
+ (type (partition-file-system partition))
+ (image-builder
(with-imported-modules*
- (let* ((initializer #$(partition-initializer partition)))
+ (let ((initializer #$(partition-initializer partition))
+ (inputs '#+(list e2fsprogs fakeroot dosfstools mtools))
+ (image-root "tmp-root"))
(sql-schema #$schema)
+ (set-path-environment-variable "PATH" '("bin" "sbin") inputs)
+
;; Allow non-ASCII file names--e.g., 'nss-certs'--to be
;; decoded.
(setenv "GUIX_LOCPATH"
#+(file-append glibc-utf8-locales "/lib/locale"))
(setlocale LC_ALL "en_US.utf8")
- (initializer #$output
+ (initializer image-root
#:references-graphs '#$graph
#:deduplicate? #f
#:system-directory #$os
#+(bootloader-installer bootloader)
#:bootcfg #$bootcfg
#:bootcfg-location
- #$(bootloader-configuration-file bootloader)))))
- (image-root
- (computed-file "partition-image-root" root-builder
- #:options `(#:references-graphs ,inputs)))
- (type (partition-file-system partition))
- (image-builder
- (with-imported-modules*
- (let ((inputs '#+(list e2fsprogs dosfstools mtools)))
- (set-path-environment-variable "PATH" '("bin" "sbin") inputs)
+ #$(bootloader-configuration-file bootloader))
(make-partition-image #$(partition->gexp partition)
#$output
- #$image-root)))))
- (computed-file "partition.img" image-builder)))
+ image-root)))))
+ (computed-file "partition.img" image-builder
+ #:options `(#:references-graphs ,inputs))))
(define (partition->config partition)
;; Return the genimage partition configuration for PARTITION.
}~%" #$genimage-name #$image-type (list #$@partitions-config))))))))
(computed-file "genimage.cfg" builder)))
- (let* ((substitutable? (image-substitutable? image))
+ (let* ((image-name (image-name image))
+ (name (if image-name
+ (symbol->string image-name)
+ name))
+ (format (image-format image))
+ (substitutable? (image-substitutable? image))
(builder
(with-imported-modules*
- (let ((inputs '#+(list genimage coreutils findutils))
+ (let ((inputs '#+(list genimage coreutils findutils qemu-minimal))
(bootloader-installer
- #+(bootloader-disk-image-installer bootloader)))
+ #+(bootloader-disk-image-installer bootloader))
+ (out-image (string-append "images/" #$genimage-name)))
(set-path-environment-variable "PATH" '("bin" "sbin") inputs)
- (genimage #$(image->genimage-cfg image) #$output)
+ (genimage #$(image->genimage-cfg image))
;; Install the bootloader directly on the disk-image.
(when bootloader-installer
(bootloader-installer
#+(bootloader-package bootloader)
#$(root-partition-index image)
- (string-append #$output "/" #$genimage-name))))))
- (image-dir (computed-file "image-dir" builder)))
- (computed-file name
- #~(symlink
- (string-append #$image-dir "/" #$genimage-name)
- #$output)
+ out-image))
+ (convert-disk-image out-image '#$format #$output)))))
+ (computed-file name builder
#:options `(#:substitutable? ,substitutable?))))
\f
(define* (system-iso9660-image image
#:key
- (name "iso9660-image")
+ (name "image.iso")
bootcfg
bootloader
register-closures?
(graph (match inputs
(((names . _) ...)
names)))
- (root-builder
- (with-imported-modules*
- (sql-schema #$schema)
-
- ;; Allow non-ASCII file names--e.g., 'nss-certs'--to be decoded.
- (setenv "GUIX_LOCPATH"
- #+(file-append glibc-utf8-locales "/lib/locale"))
- (setlocale LC_ALL "en_US.utf8")
-
- (initialize-root-partition #$output
- #:references-graphs '#$graph
- #:deduplicate? #f
- #:system-directory #$os)))
- (image-root
- (computed-file "image-root" root-builder
- #:options `(#:references-graphs ,inputs)))
(builder
(with-imported-modules*
(let* ((inputs '#$(list parted e2fsprogs dosfstools xorriso
- sed grep coreutils findutils gawk)))
+ sed grep coreutils findutils gawk))
+ (image-root "tmp-root"))
+ (sql-schema #$schema)
+
+ ;; Allow non-ASCII file names--e.g., 'nss-certs'--to be decoded.
+ (setenv "GUIX_LOCPATH"
+ #+(file-append glibc-utf8-locales "/lib/locale"))
+
+ (setlocale LC_ALL "en_US.utf8")
+
(set-path-environment-variable "PATH" '("bin" "sbin") inputs)
+
+ (initialize-root-partition image-root
+ #:references-graphs '#$graph
+ #:deduplicate? #f
+ #:system-directory #$os)
(make-iso9660-image #$xorriso
'#$grub-mkrescue-environment
#$bootloader
#$bootcfg
#$os
- #$image-root
+ image-root
#$output
#:references-graphs '#$graph
#:register-closures? #$register-closures?
#:options `(#:references-graphs ,inputs
#:substitutable? ,substitutable?))))
+(define (image-with-label base-image label)
+ "The volume ID of an ISO is the label of the first partition. This procedure
+returns an image record where the first partition's label is set to <label>."
+ (image
+ (inherit base-image)
+ (partitions
+ (match (image-partitions base-image)
+ ((boot others ...)
+ (cons
+ (partition
+ (inherit boot)
+ (label label))
+ others))))))
+
\f
;;
;; Image creation.
image-size)
(else root-size))))
-(define* (image-with-os base-image os)
+(define* (image-with-os* base-image os)
"Return an image based on BASE-IMAGE but with the operating-system field set
to OS. Also set the UUID and the size of the root partition."
(define root-file-system
"Return the derivation of IMAGE. It can be a raw disk-image or an ISO9660
image, depending on IMAGE format."
(define substitutable? (image-substitutable? image))
-
- (let* ((os (operating-system-for-image image))
- (image* (image-with-os image os))
- (target (image-target image))
- (register-closures? (has-guix-service-type? os))
- (bootcfg (operating-system-bootcfg os))
- (bootloader (bootloader-configuration-bootloader
- (operating-system-bootloader os))))
- (with-parameters ((%current-target-system target))
- (case (image-format image)
- ((disk-image)
+ (define target (image-target image))
+
+ (with-parameters ((%current-target-system target))
+ (let* ((os (operating-system-for-image image))
+ (image* (image-with-os* image os))
+ (image-format (image-format image))
+ (register-closures? (has-guix-service-type? os))
+ (bootcfg (operating-system-bootcfg os))
+ (bootloader (bootloader-configuration-bootloader
+ (operating-system-bootloader os))))
+ (cond
+ ((memq image-format '(disk-image compressed-qcow2))
(system-disk-image image*
#:bootcfg bootcfg
#:bootloader bootloader
#:register-closures? register-closures?
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))))
- ((iso9660)
+ ((memq image-format '(iso9660))
(system-iso9660-image
image*
#:bootcfg bootcfg
#:grub-mkrescue-environment
'(("MKRESCUE_SED_MODE" . "mbr_only"))))))))
-(define (find-image file-system-type target)
- "Find and return an image built that could match the given FILE-SYSTEM-TYPE,
-built for TARGET. This is useful to adapt to interfaces written before the
-addition of the <image> record."
- (match file-system-type
- ("iso9660" iso9660-image)
- (_ (cond
- ((and target
- (hurd-triplet? target))
- hurd-disk-image)
- (else
- efi-disk-image)))))
+\f
+;;
+;; Image detection.
+;;
+
+(define (image-modules)
+ "Return the list of image modules."
+ (cons (resolve-interface '(gnu system image))
+ (all-modules (map (lambda (entry)
+ `(,entry . "gnu/system/images/"))
+ %load-path)
+ #:warn warn-about-load-error)))
+
+(define %image-types
+ ;; The list of publically-known image types.
+ (delay (fold-module-public-variables (lambda (obj result)
+ (if (image-type? obj)
+ (cons obj result)
+ result))
+ '()
+ (image-modules))))
+
+(define (lookup-image-type-by-name name)
+ "Return the image type called NAME."
+ (or (srfi-1:find (lambda (image-type)
+ (eq? name (image-type-name image-type)))
+ (force %image-types))
+ (raise
+ (formatted-message (G_ "~a: no such image type~%") name))))
;;; image.scm ends here
HCoop / jackhill / guix / guix.git / blobdiff